First report run slow...then reasonable.

Question

I'll call it a performance issue for lack of a better description.  I am accessing an .rpt file on the Crystal Enterprise server and then accessing it using java.  It works fine...after the first run of the day.  The first run takes up to 2 minutes...while the query itself only takes 2 seconds.  We cannot recreate the situation even if all of the Crystal services are restarted and the machine where java executes is rebooted...the only way to make the "slowness" occur is to wait until the report is not accessed from that application server for several hours.
I have timed the slow parts of the code and here were the results:
//46 seconds
ISessionMgr sessionMgr = CrystalEnterprise.getSessionMgr();
//20 seconds
crystalSession = sessionMgr.logon(username, password, cms, auth);
//19 seconds
ReportClientDocument clientDoc = reportAppFactory.openDocument(infoObject,
OpenReportOptions._openAsReadOnly, java.util.Locale.US);
//46 seconds
reportControl.processHttpRequest(request, response,
getServlet().getServletConfig().getServletContext(), null);
Has anyone experienced anything like this?
Travis

Answer 1

Starting & restarting the app and/or Enterprise seems to have no effect.  In other words, we can bounce all entities and the report will load up in seconds with no slowdown.
This issue does not occur when run directly on Enterprise...you have to go through my app.
Our application server is bounced overnight.  We notice this when we come in first thing in the morning.  We have also noticed it if we let it sit idle until lunchtime.  To directly answer your question, it happens on the first run of the day and then after it's idled for a long period...but the initial execution of the report is NOT a requirement.
This is an intranet app and sits behind the firewall
I do have the following settings on the report:
     Share report data between clients
     Viewer refresh always yields current data
     Oldest on-demand data given to a client (in seconds): 0
Travis